C-Sharp, often written as C#, is a modern programming language developed by Microsoft. It is part of the Microsoft .NET framework and is designed for building a variety of applications, including web, mobile, and desktop software. C# is known for its simplicity and versatility, making it accessible for both beginners and experienced developers. The language is object-oriented, which means it uses objects to represent data and methods. C# supports features like strong typing, garbage collection, and rich libraries, allowing developers to create efficient and robust applications. Its popularity has led to a large community and extensive resources for learning and support.